
ul{
    list-style: none;
    overflow: hidden;
   /* border-bottom: 1px solid #333;*/
   margin-top: 20px;
   margin-left: -25px;
}
body .main{
    position: relative;
    height: 100%;
    width: 100%;

}
body .main .nav-top{
    height:20px;

}
li:hover{
    color: blue;
}
li{
    float: left;
    /* 设置元素之间的间隔 */
    margin-right: 30px;
    font-family: Arial;
    font-size: 15px;
}

a{
    text-decoration: none;
    color:black;
    display:block;
    width: 100px;
    float: right;
    margin-top: -36px;
    margin-right: 30px;

}
a:hover{
    color:blue;
}
.butt{
    background-color:#4662D9;
    color:white;
    width: 50px;
    height: 30px;
    text-align: center;
    float: right;
    border-radius: 10px;
    margin-top: -6px;
    margin-right: 30px;
    outline: none;
    border: none;
}
.container{
    position: absolute;
    top: 0;
    left: 0;
    width:700px;
    height: 500px;
    margin-left: 480px;
    margin-top: 100px;
 
}

.container img{
    margin-top: -50px;
    margin-left: 150px;
    
}

button{
    width:90px;
    height:46px;
    color: white;
    background-size: 20px;
    text-align:15px ;
    background-position-y: center;
    /* code key */
    position: absolute;
    right: 0;
    top: 0; 
    /* code key */
    border: none;
    outline: none;
    background-color:#4662D9;
}

.search{
    /* key code start */
    position: relative;
    /* key code end */
    width:700px;
    height:46px;
    border:3px solid #4662D9;
    border-radius: 15px;
    margin-top: 15px;
    margin-left: -80px;

    overflow: hidden;
}
input{
    /* key code start */
    position: absolute;
    left: 0;
    top: 0;
    /* key code end */
    padding:0;
    border:none;
    outline: none;
    height: 46px;
}
.input{
    padding-left: 20px;
} 
.content-list{
    margin-left: -70px;
    
    overflow: hidden;
    margin-top: 20px;
}
.list-top {
    width: 100%;
    height: 14px;

}
.list-top {
    width: 100%;
    height: 14px;

}

.list-top ul {

    margin-left: -100px;
    list-style: none;
}

.list-top ul li:first-child {
    
   margin-left: -20px;
   margin-top: 30px;
}

.list-top ul li:last-child {
   margin-left: 560px;
   margin-top: 30px;
}
.content-list{
    
    overflow: hidden;
}
.content-list .list-left{
    margin-right: 125px;
}
.content-list>div{
    width: 40%;
    float: left;
    margin-top: 20px;

}

.content-list ul{
    list-style: square;
}
.main .pic{
    position: absolute;
    right:20px;
    top: 1000px;
}

.main .pic img{
    width: 40px;
    height: 40px;
    
}
.nav-bottom{
    padding:14px;
    width: 100%;
    margin-top: 420px;
    font-size: 14px;
    background-color:rgb(238, 235, 235);
    text-align: center;
    color:rgb(136, 133, 133);
    height: 16px;
    position: absolute;
   top: 440px;
    left: 0;

}

.nav-bottom span{
    display: inline-block;
    padding-right: 20px;
   
}
.nav-bottom span:first-child{
   position: absolute;
   left: 18px;
   top: 10px;
}
.nav-bottom span:last-child{
    position: absolute;
    right: 90px;
    top:10px;
}

